| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2016 | Q1 | 0 | Liquidated |
| 2015 | Q4 | 5,303,452 | +2,212,261 |
| 2015 | Q3 | 3,091,191 | +526,260 |
| 2015 | Q2 | 2,564,931 | +192,220 |
| 2015 | Q1 | 2,372,711 | +639,662 |
| 2014 | Q4 | 1,733,049 | +332,371 |
| 2014 | Q3 | 1,400,678 | -37,171 |
| 2014 | Q2 | 1,437,849 | -287,368 |
| 2014 | Q1 | 1,725,217 | -193,631 |
| 2013 | Q4 | 1,918,848 | +427,967 |
| 2013 | Q3 | 1,490,881 | -259,735 |
| 2013 | Q2 | 1,750,616 | -280,733 |
| 2013 | Q1 | 2,031,349 | -325,537 |
| 2012 | Q4 | 2,356,886 |